Lead Python Engineer (Backend)

We are seeking a Lead Python Engineer (Backend) to support Treasury technology initiatives. In this role, you will design and implement scalable backend systems, integrate diverse data sources and guide a team of engineers in building high-stakes applications. This position requires work within the ET time zone (8 am-4 pm) and collaboration with globally distributed teams.

Responsibilities

• Design and implement microservices architectures, API gateways and inter-service communication
• Develop and optimize backend systems and APIs to support Treasury technology initiatives
• Integrate data from multiple sources and formats (xlsx, pdf, csv, json) into a common data model
• Mentor and manage less senior team members from a technical perspective
• Automate tasks and manage operating system-level processes through shell scripting
• Troubleshoot complex system and application issues
• Drive test automation efforts, including robust unit testing
• Participate in code reviews and foster peer learning across the team
• Collaborate with agile teams across the globe on complex, high-stakes applications
• Contribute to system design decisions and software architecture

Requirements

• 10+ years of professional experience in Python development
• Proficiency in backend frameworks such as FastAPI, Django and Flask, including API design and optimization
• Expertise in system design and software architecture, with experience in microservices, API gateways and inter-service communication
• Skills in integrating data from multiple sources and formats (xlsx, pdf, csv, json) into a common data model
• Advanced knowledge of shell scripting (e.g., Bash) for task automation and OS-level management
• Understanding of operating systems (Linux/Unix), including process management, basic networking and application layer integration
• Familiarity with Dagster, Kubernetes and REST API
• Experience managing and mentoring engineers from a technical perspective
• Background in agile teams working on complex, high-stakes applications
• Strong problem-solving and troubleshooting capabilities
• Familiarity with Atlassian tools such as Jira and Confluence
• English proficiency at B2 level or higher

Nice to have

• Familiarity with Cloud
• Knowledge of DevOps

We offer

• Engineering community of industry professionals
• Friendly team and enjoyable working environment
• Flexible schedule and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• Outstanding career roadmap
• Leadership development, career advising, soft skills, and well-being programs
• Certification (GCP, Azure, AWS)
• Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru
• English classes
• Stable income (Employment Contract or B2B)
• Participation in the Employee Stock Purchase Plan
• Benefits package (health insurance, multisport, shopping vouchers)
• Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more
• Referral bonuses
• Corporate, social and well-being events

Please note: The set of bonuses might vary based on the role you apply for – specifics will be discussed during the general interview. We will reach out to selected candidates exclusively.